AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Generic - U1186

U1186 Code - Lost Communication With Adaptive Cruise Control Module

- Code Popularity: 5,535 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC U1186?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Cruise Control Module
  • Cruise Control Module harness is open or shorted
  • Cruise Control Module circuit poor electrical connection
⚠ Does your Car have Safety Recalls? → Check here

How to Fix the DTC U1186?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for U1186 Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U1186 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code U1186 Description

The Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module (PCM) doesn't receive a bus message from the Cruise Control Module for a specific amount of time.

OBDII Code U1186 - Lost Communication With Adaptive Cruise Control Module - AutoCodes.com
U1186 Code - Lost Communication With Adaptive Cruise Control Module

Need More Information on the Code?

Need more information on how to fix the U1186 code? Get Access to Factory Service Manuals

Information for Specific Makes

  • U1186 Chrysler Lost Communication With Adaptive Cruise Control Module
  • U1186 Dodge Lost Communication With Adaptive Cruise Control Module
  • U1186 Jeep Lost Communication With Adaptive Cruise Control Module
  • U1186 RAM Lost Communication With Adaptive Cruise Control Module

Need Help with the Code?

Get the U1186 code diagnosed by a professional: Find a repair shop in your area

Code U1186 comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the U1186 code? Have you replaced any parts?
Any information is appreciated. Thanks